the form of a before an initial vowel sound (an arch; an honor) and sometimes, especially in British English, before an initial unstressed syllable beginning with a silent or weakly pronounced h : an historian.
Pronunciation Spelling. and.
the Sumerian god of heaven: the counterpart of the Akkadian Anu.
a prefix occurring before stems beginning with a vowel or h in loanwords from Greek, where it means “not,” “without,” “lacking” (anarchy; anecdote); used in the formation of compound words: anelectric.